CN106201830A

CN106201830A - A kind of method and system writing data monitoring based on EPOLL

Info

Publication number: CN106201830A
Application number: CN201610599328.9A
Authority: CN
Inventors: 傅树萍
Original assignee: Fujian Fujitsu Communication Software Co Ltd
Current assignee: Fujian Fujitsu Communication Software Co Ltd
Priority date: 2016-07-27
Filing date: 2016-07-27
Publication date: 2016-12-07

Abstract

The present invention provides a kind of method writing data monitoring based on EPOLL, and Epoll service end accepts the connection of client；After successful connection, socket data dictionary carries out preserving socket object.Create an independent monitoring thread to carry out object each to the socket in socket data dictionary and be timed monitoring；Interval limiting time checks the size not sending relief area inside socket object, if exceeding restriction threshold value, then processes the client of its correspondence；The present invention also provides for a kind of system writing data monitoring based on EPOLL, is monitored server resource, adjusts server resource in time.

Description

A kind of method and system writing data monitoring based on EPOLL

Technical field

The present invention relates to a kind of method and system writing data monitoring based on EPOLL.

Background technology

Epoll be linux kernel be process high-volume filec descriptor made improve poll, be multichannel under Linux The enhancing version of multiplexing I/O interface select/poll；It is the most a small amount of active in a large amount of concurrently connections that it can significantly improve program In the case of system CPU utilization rate.

But, edge-triggered (ET) pattern than level trigger (LT) have less system to call, if send relief area less than, Epoll notice write event is until developer fills up transmission relief area, and epoll just can send relief area by full in next time afterwards Become less than time notice write event.When socket is in not writeable state when.We need temporary for the data not sent There is list to be sent, so there is a kind of hidden danger, i.e. when client is only sent out and do not received when, list the most to be sent can be slow Slowly consume server resource, finally result in server resource and exhaust, cause program to run quickly routed.

Summary of the invention

The technical problem to be solved in the present invention, is to provide a kind of method and system writing data monitoring based on EPOLL, Server resource is monitored, adjusts server resource in time.

One of present invention is achieved in that a kind of method writing data monitoring based on EPOLL, comprises the steps:

Step 1, Epoll service end accept the connection of client；

After step 2, successful connection, socket data dictionary carries out preserving socket object.Create an independent monitoring Thread carries out object each to the socket in socket data dictionary and is timed monitoring；

Step 3, interval limiting time check the size not sending relief area inside socket object, if exceeding restriction threshold Value, then process the client of its correspondence.

Further, also include that step 3 is further particularly as follows: interval limiting time is checked and do not sent inside socket object The size of relief area, if exceeding restriction threshold value, client is processed by Epoll service end notice operation maintenance personnel.

The two of the present invention are achieved in that a kind of system writing data monitoring based on EPOLL, including such as lower module:

Link block, Epoll service end accepts the connection of client；

Monitoring module, after successful connection, socket data dictionary carries out preserving socket object.Create an independent prison Control thread carries out object each to the socket in socket data dictionary and is timed monitoring；

Processing module, interval limiting time checks the size not sending relief area inside socket object, if exceeding restriction Threshold value, then process the client of its correspondence.

Further, also include that processing module is further particularly as follows: interval limiting time is checked inside socket object not Sending the size of relief area, if exceeding restriction threshold value, client is processed by Epoll service end notice operation maintenance personnel.

Present invention have the advantage that a kind of method and system writing data monitoring based on EPOLL of the present invention, be no matter Carry out stress test or the properly functioning situation of service end, can get rid of owing to not being the problem caused by RAM leakage, this The time of investigation can be significantly reduced, because in the case of system occurs running quickly and bursts, programmer always goes from the angle of internal memory Investigation problem, this may waste a lot of time and go to solve.

Accompanying drawing explanation

The present invention is further illustrated the most in conjunction with the embodiments.

Fig. 1 is that the inventive method performs flow chart.

Fig. 2 is the schematic diagram of present system.

Detailed description of the invention

As it is shown in figure 1, the method that the present invention writes data monitoring based on EPOLL, comprise the steps:

Step 1, Epoll service end accept the connection of client；

Step 3, interval limiting time check the size not sending relief area inside socket object, if exceeding restriction threshold Value, client is processed by Epoll service end notice operation maintenance personnel.

As in figure 2 it is shown, the present invention writes the system of data monitoring based on EPOLL, including such as lower module:

Link block, Epoll service end accepts the connection of client；

Processing module, interval limiting time checks the size not sending relief area inside socket object, if exceeding restriction Threshold value, client is processed by Epoll service end notice operation maintenance personnel.

This method is to be solved is in the case of long connection.When client receiving efficiency is the lowest or only sends out not reception etc. Occasion.Increase and write data monitoring.Main method is: the socket connecting each client is managed, and creates a monitoring Thread.The caching not sent of the socket of each client is monitored by timing.Spatial cache exceedes certain data.End Mouth is which client.Releasing memory space.Carry out mail transmission.Navigate to concrete TCP Client.And notify.

The when that service end resource being increased always and seldom declines by people.Investigation is gone to increase from internal memory angle often Problem.In the case of still cannot solving resource increase under investigating internal memory, and the monitoring to I/O caching often neglects, This typically requires a lot of experience of accumulation and could solve, and babe in the wood needs to expend a great deal of time could send out with energy Existing.And no matter my this method is by stress test or the properly functioning situation of service end.Can get rid of due to Not being the problem caused by RAM leakage, this can be significantly reduced the time of investigation, because there is, in system, situation about bursting of running quickly Under, programmer always goes investigation problem from the angle of internal memory, and this may waste a lot of time and go to solve.

Although the foregoing describing the detailed description of the invention of the present invention, but those familiar with the art should managing Solving, our described specific embodiment is merely exemplary rather than for the restriction to the scope of the present invention, is familiar with this The technical staff in field, in the equivalent modification made according to the spirit of the present invention and change, should be contained the present invention's In scope of the claimed protection.

Claims

1. the method writing data monitoring based on EPOLL, it is characterised in that: comprise the steps:

Step 1, Epoll service end accept the connection of client；

After step 2, successful connection, socket data dictionary carries out preserving socket object.Create an independent monitoring thread Carry out object each to the socket in socket data dictionary and be timed monitoring；

Step 3, interval limiting time check the size not sending relief area inside socket object, if exceeding restriction threshold value, then The client of its correspondence is processed.

A kind of method writing data monitoring based on EPOLL the most according to claim 1, it is characterised in that: also include step 3 Further particularly as follows: interval limiting time checks the size not sending relief area inside socket object, if exceeding restriction threshold value, Client is processed by Epoll service end notice operation maintenance personnel.

3. the system writing data monitoring based on EPOLL, it is characterised in that: include such as lower module:

Link block, Epoll service end accepts the connection of client；

Monitoring module, after successful connection, socket data dictionary carries out preserving socket object.Create an independent monitoring line Cheng Jinhang object each to the socket in socket data dictionary is timed monitoring；

Processing module, interval limiting time checks the size not sending relief area inside socket object, if exceeding restriction threshold value, Then the client of its correspondence is processed.

A kind of system writing data monitoring based on EPOLL the most according to claim 3, it is characterised in that: also include processing Module is further particularly as follows: interval limiting time checks the size not sending relief area inside socket object, if exceeding restriction Threshold value, client is processed by Epoll service end notice operation maintenance personnel.